Screw in the support boards to the two ramp cut outs.
Diy bmx box jump. Cut groves in the ramp so you can place the support beams in example if the ramp is 30 inches. Also known as a plyometric box a jump box is used for lower body exercises that are designed to increase your power explosiveness and speed. Build a bicycle ramp. Hey guys i built a wooden jump with a tabletop for my bmx bike.
Earlier this spring i found him dragging some plywood and bricks out of the garage. Now you have a frame. I asked him what he was doing and he said building a bike ramp i told him not to do th. Overall the jump was super fun to build and jum.
We build a box jump at the phelps farm. 4 2 4 s 10 feet in length. If you want to do 24 box jumps flip it to another side. You can order a jump box online but that will cost you close to 150.
The jump ended up being 3 feet 4 inches tall. Now the original diyskate plans mention it s easier to just build the whole top piece first then flip the rest of the box upside down on top of the top part so you don t have to hold it and can just drill right into it with ease but i wanted to make sure it would be level that the top frame wouldn t be lower than any of the 2 5 boards so. A jump box is a simple structure that lets you get a workout without leaving your home. Another benefit with this design is that it gives you three different heights to work with.
If you want to do 28 box jumps just flip the box so that the longest side is vertical. You will have extra wood and actually you could get away with three 10 footers and one 8 footer. If you want to do 20 box jumps flip it yet again. Take a large piece of wood and cut 4 ramp shapes depending on how big you want your jump to be.
This box is 28 x 24 x 20. This was on the the hardest and most time consuming things we have done. This is a simple project that evolved from a promise to my son max. A table saw or chop saw is very useful but you could technically use the jigsaw for everything.
A box of 1 5 8 screws.